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MCP1701T-18021/CB PDF预览

MCP1701T-18021/CB

更新时间： 2024-01-08 09:29:44
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美国微芯 - MICROCHIP /
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2uA Low Dropoout Positive Voltage Refulator

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MCP1701T-18021/CB 数据手册

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MCP1701  
M
2 µA Low Dropout Positive Voltage Regulator  
Features  
General Description  
• 2.0 µA Typical Quiescent Current  
• Input Operating Voltage Range up to 10.0V  
• Low Dropout Voltage:  
The MCP1701 is a family of CMOS low dropout (LDO),  
positive voltage regulators that can deliver up to  
250 mA of current while consuming only 2.0 µA of  
quiescent current (typical). The input operating range is  
specified up to 10V, making it ideal for lithium-ion (one  
or two cells), 9V alkaline and other two and three  
primary cell battery-powered applications.  
- 250 mV (typ.) @ 100 mA  
- 500 mV (typ.) @ 200 mA  
• High Output Current: 250 mA (V  
= 5.0V)  
OUT  
• High-Accuracy Output Voltage: ±2% (max)  
• Low Temperature Drift: ±100 ppm/°C (typ.)  
• Excellent Line Regulation: 0.2%/V (typ.)  
The MCP1701 is capable of delivering 250 mA with an  
input-to-output voltage differential (dropout voltage) of  
650 mV. The low dropout voltage extends the battery  
operating lifetime. It also permits high currents in small  
• Package Options: 3-Pin SOT-23A, 3-Pin SOT-89  
packages when operated with minimum V – V  
IN  
OUT  
and 3-Pin TO-92  
differentials.  
• Short-Circuit Protection  
The MCP1701 has a tight tolerance output voltage  
regulation of ±0.5% (typical) and very good line regula-  
tion at ±0.2%. The LDO output is stable when using  
only 1 µF of output capacitance of either tantalum or  
aluminum-electrolytic style capacitors. The MCP1701  
LDO also incorporates short-circuit protection to  
ensure maximum reliability.  
• Standard Output Voltage Options:  
- 1.8V, 2.5V, 3.0V, 3.3V, 5.0V  
Applications  
• Battery-Powered Devices  
• Battery-Powered Alarm Circuits  
• Smoke Detectors  
Package options include the 3-Pin SOT-23A, 3-Pin  
SOT-89 and 3-Pin TO-92.  
2
• CO Detectors  
• Smart Battery Packs  
• PDAs  
Package Types  
• Low Quiescent Current Voltage Reference  
• Cameras and Portable Video Equipment  
• Pagers and Cellular Phones  
• Solar-Powered Instruments  
• Consumer Products  
3-Pin SOT-23A  
3-Pin SOT-89  
V
V
IN  
3
IN  
MCP1701  
MCP1701  
• Microcontroller Power  
1
2
1
2
3
GND  
V
GND V  
V
OUT  
IN OUT  
Related Literature  
• AN765, “Using Microchip’s Micropower LDOs”,  
DS00765, Microchip Technology Inc., 2002  
• AN766, “Pin-Compatible CMOS Upgrades to  
Bipolar LDOs”, DS00766,  
Microchip Technology Inc., 2002  
3-Pin TO-92  
1 2 3  
Bottom  
View  
GND V  
V
IN OUT  
Note:  
The 3-Pin SOT-23A is equivalent to  
the EIAJ SC-59.  
2004 Microchip Technology Inc.  
DS21874A-page 1  
1234567...20

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